| RCS | rabbit aorta-contracting substance; red cell suspension; reticulum cell sarcoma; right coronary sinu... |
|---|---|
| SAS | sarcoma amplified sequence; self-rating anxiety scale; short arm splint; Sklar Aphasia Scale; sleep ... |
| SIS | semantic indexing system; serotinin irritation syndrome; simian sarcoma; simulator-induced syndrome;... |
| susp | suspension, suspended |